Wash and soak sago overnight (or at least 5-6  hrs) with water just enough to immerse the sago. The next day morning, all water would have got absorbed by the sago and it will be soft and fluffy. It doesn't matter if sabudana has turned little ,mushy for this recipe.

Once the soaking time is over, drain the sabudana well.

Pressure cook potatoes,peel them and mash them nicely such that there are no lumps .

Meanwhile dry roast the peanuts in a pan or microwave. Let they become crisp.Deskin it once cool. I sometimes skip this step if running out of time.

Coarsely powder the peanuts .

In a big mixing bowl , take soaked sabudana ,rice flour / rajgira flour , mashed potato , crushed peanuts, jeera, finely chopped ginger-chilli -coriander -curry leaves,salt and little lemon juice.

Mix everything together well to form a dough. You can add a tbsp of water if the mixture is too dry. Check for salt.

There are two ways in which you can spread the rotti on the tawa :

METHOD 1 :Grease a plastic sheet and take a small orange sized ball and pat it evenly with your hands to a medium thin / thick pancake.Wet your hands in between with water to ease the patting.Make a hole on the rotti so that they get cooked uniformly.

Heat the griddle.When its hot ,put the sheet on the griddle ( rotti side facing the griddle ). Cook the rotti along with the sheet for 30 sec and then slowly remove the foil.Rotti gets transferred from sheet to the griddle.

Method 2 ----> Use two - three tawas to make rottis using method 2 . Grease the cold tawa and take orange sized dough and pat it evenly on the cold griddle to a medium thin pancake.Switch on flame and cook on medium flame. To make next roti , take another cold greased tawa and pat on them . The 1 st tawa can be re used after cooling it . So you keep rotating tawas while making each roti in this method . Do not attempt to pat the dough on hot tawa as the dough does not spread well. So you keep changing the tawas to make rotis .How to cool tawa quickly ? refer NOTE No. 5

Once you have patted rottis using method 1 or 2 ,cook them medium heat.Pour some oil in the holes and all over the rotti.Cover and cook till it becomes slightly brown in colour. Then flip the rotti and continue cooking for about a minute or so till the rotti becomes crispy.

Enjoy delicious Sabudana Thalipeeth hot with any raita, curd or any chutney of your choice.